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The 25 Best Inventions of 2014

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Inventions

Electrical brain stimulation beats caffeine – and the effect lasts longer

Half an hour of brain stimulation on sleep-deprived military staff improved their performance twice as much as caffeine<p>Researchers in the US have used electrical brain stimulation to boost the vigilance of sleep-deprived military personnel working on an airforce base.<p>Experiments on 18- to 42-year …

GE Announce $15 Connected LED Light Bulb

The “Internet of things,” the “Connected Home,” the “Smart Home,” whatever you want to call it, it’s just a fancy way of turning your stuff on and off with your smartphone. Now GE has introduced a cheaper way to stay on the couch and control your lights.<p>The low-cost connected Link lightbulb from GE …

FDA approves new insulin inhaler for diabetics

The US Food and Drug Administration today approved a new insulin inhaler for use in treating diabetes, its first in years. The product, which is made by California-based MannKind Corporation, uses a dry powder that people can breathe in to control insulin levels. It's been designed not as a …

Clean storage: These scientists are making an organic, water-based battery for the power grid

Advertisement<p>3 Comments<p>Credit: Image courtesy of USC Photo / Gus Ruelas.<p>Most batteries — whether they’re embedded in your iPhone or they’re plugged …